Starter Plugs & Slabs
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RedRock Stonewool Starter PlugsCommercial-grade Stone Wool Starter Plugs Sourced from High-Grade US-Made Raw Material and Manufactured in North America RedRock Round Propagation Plug PRO - Center Hole - 38mm/40mm - 1-1/2-Inch (Case of 2000) Stone wool grow media manufactured in North America A wetting agent ensures nutrients...
- Regular price
- $208.99
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$250.79 - Sale price
- $208.99
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RedRock Grow Block PRO- 6 in. x 6 in. x 5.3 in. (48/Cs)Commercial-Grade Stone Grow Blocks Manufactured from High-Grade US-Made Raw Material RedRock Grow Blocks are stone wool for commercial and industrial cultivators. RedRock Block has been sold to North America's largest farms and cultivators with two things in mind - Crop yield and cost. Stonewool is sourced and manufactured...
- Regular price
- $123.99
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$148.79 - Sale price
- $123.99
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IHORT Q Plug 18/40 1.5 in. x .75 in. - Case of 3,250IHORT Q Plug 18/40 1.5” x .75”3,250 square plugs per case Engineered specifically for fast rooting, reliable transplanting, and optimum growth. Q plugs provide more air porosity for better roots and provide more water control than anything else on the market. Stronger roots equal healthier harvests. ...
- Regular price
- $172.06
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$229.95 - Sale price
- $172.06
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Grodan 1.5” AO pre-cut loose in box, case of 2,310Grodan® Stonewool A-OK Starter Plugs™ Loose in Carton A- OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Grodan Gro-Blocks. A-OK Starter Plugs™ come loose in a carton for those who prefer to saturate as individual plugs....
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- $277.00
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$414.99 - Sale price
- $277.00
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Grodan Improved Hugo 6" x 6" x 5.8", 512 Blocks Loose on PalletGrodan Improved Hugo (White Foil) 6” x 6” x 5.8” (512 blocks – Loose on Pallet) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation...
- Regular price
- $1,225.88
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$1,969.99 - Sale price
- $1,225.88
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RedRock Grow Block PRO- 6 in. x 6 in. x 5.3 in. Bulk Pallet (512/Plt)Commercial-Grade Stone Grow Blocks Manufactured from High-Grade US-Made Raw Material RedRock Grow Blocks are stone wool for commercial and industrial cultivators. RedRock Block has been sold to North America's largest farms and cultivators with two things in mind - Crop yield and cost. Stonewool is sourced and manufactured...
- Regular price
- $1,250.99
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$1,501.19 - Sale price
- $1,250.99
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RedRock Grow Slab- 36 in. x 6 in. x 3 in. (16/Cs)Commercial-grade Stone Wool Grow Slabs Manufactured from High-Grade US-Made Raw Material RedRock Grow Slab - 36 in. x 6 in. x 3 in. (16/Cs) RedRock Grow Slabs are stone wool for commercial and industrial cultivators. RedRock Block has been sold to North America's largest farms and cultivators with...
- Regular price
- $85.99
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$103.19 - Sale price
- $85.99
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Mega Twine Clips, 25 mm, Terracotta, 100 PackGreat to support your plants throughout their growth. Use them to tie your plants to stakes, trellis or support wire. Commonly used to help support tomatoes, cucumbers, peppers and any tall plant.
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- $17.33
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$20.80 - Sale price
- $17.33
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Grodan Improved Gro-Block, Jumbo 6 in. x 6 in. x 4 in. - Case of 64Grodan Improved Jumbo (White Foil) 6” x 6” x 4” (Case of 64) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty...
- Regular price
- $170.30
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$204.36 - Sale price
- $170.30
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Grodan Improved Gro-Block, Hugo 6 in. x 6 in. x 5.8 in. - Case of 64Grodan Improved Hugo (White Foil) 6” x 6” x 5.8” (Case of 64) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty...
- Regular price
- $220.45
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$288.79 - Sale price
- $220.45
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Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole - Case of 18Grodan Improved Gro-BlocksLeverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro-Blocks Improved with Advanced Wetting Technology — Grodan's improved stone wool substrate.Keep it RealReal ScienceGrodan partnered with the Wageningen University and...
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- $121.88
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$188.11 - Sale price
- $121.88
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Grodan Improved GR40 Uniblock, 8 in. x 8 in. x 4 in. - Case of 36Grodan ImprovedUniblock GR40, 8" x 8" x 4"Grodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research...
- Regular price
- $167.60
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$201.12 - Sale price
- $167.60
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Grodan Improved GR10 (White Foil) 4 in. x 4 in. x 4 in. - 1584 Blocks Loose on PalletGrodan Improved GR10 (White Foil) 4” x 4” x 4” (1584 blocks – Loose on Pallet) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation...
- Regular price
- $1,468.23
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$1,761.88 - Sale price
- $1,468.23
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Grodan Grow-Cubes, 5.3 cu ft (loose in. box)This loose fill, non-bagged product consists of small stonewool croutons about the size of a fingernail. When you use this potting mix the miniature cubes stack on top of each other and air pockets are created throughout the pot. Growcubes are difficult to overwater...
- Regular price
- $157.55
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$189.06 - Sale price
- $157.55
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Grodan Grow-Cubes, 2 cu ft - Case of 3Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The...
- Regular price
- $199.38
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$239.26 - Sale price
- $199.38
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Grodan Gro-Smart Tray, 78-Cell, TerracottaGrodan® Gro-SmartTM Tray Your Grodan Starter plugs, Mini-BlocksTM and Gro-BlocksTM have finally found a home. This durable Dutch tray has double-sided features. Use the 78-cell side to perfectly fit 1.5" A-OK StarterTM plugs or round MacroplugsTM. Use the mesh side for sheets of A-OK's,...
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- $16.31
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$19.57 - Sale price
- $16.31
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Grodan Gro Block Improved Mini Block 2 in. Shrink wrapped/StripGrodan ImprovedGro Block Improved Mini Block 2" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of...
- Regular price
- $456.79
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$548.15 - Sale price
- $456.79
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Grodan Gro Block Improved Mini Block 1.5 in. StripGrodan ImprovedGro Block Improved Mini Block 1.5" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific...
- Regular price
- $401.43
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$481.72 - Sale price
- $401.43
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Grodan Gro Block Improved Mini Block 1.5 in. Shrink wrapped/StripGrodan ImprovedGro Block Improved Mini Block 1.5" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of...
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- $505.32
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$606.38 - Sale price
- $505.32
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Grodan Gro Block Improved GR7.5 Medium 4 in. w/Hole 4 in. x 4 in. x 3.1 in. Shrink wrapped/StripGrodan ImprovedGro Block Improved GR7.5 Medium 4" w/Hole 4" x 4" x 3.1" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty...
- Regular price
- $278.72
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$334.46 - Sale price
- $278.72
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Grodan Gro Block Improved GR6.5 Small 4 in. w/Hole, 4 in. x 4 in. x 2.6 in. StripGrodan ImprovedGro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops....
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- $156.04
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$187.25 - Sale price
- $156.04
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Grodan Gro Block Improved GR6.5 Small 4 in. w/Hole, 4 in. x 4 in. x 2.6 in. Shrink wrapped/StripGrodan ImprovedGro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty...
- Regular price
- $226.32
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$271.58 - Sale price
- $226.32
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Grodan Gro Block Improved GR5.6 Large 3 in. w/Hole 3 in. x 3 in. x 4 in. Shrink wrapped w/StripGrodan ImprovedGro Block Improved GR5.6 Large 3" w/Hole 3" x 3" x 4" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty...
- Regular price
- $290.66
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$348.79 - Sale price
- $290.66
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Grodan Gro Block Improved GR4 Small 3 in. w/Hole 3 in. x 3 in. x 2.6 in. StripGrodan ImprovedGro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops....
- Regular price
- $204.35
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$245.22 - Sale price
- $204.35
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Grodan Gro Block Improved GR4 Small 3 in. w/Hole 3 in. x 3 in. x 2.6 in. Shrink wrapped w/StripGrodan ImprovedGro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty...
- Regular price
- $290.71
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$348.85 - Sale price
- $290.71
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Grodan Gro Block Improved GR4 Small 3 in. No Hole 3 in. x 3 in. x 2.6 in. StripGrodan ImprovedGro Block Improved GR4 Small 3" No Hole 3" x 3" x 2.6" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty...
- Regular price
- $290.74
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$348.89 - Sale price
- $290.74
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Grodan Gro Block Improved GR10 Large 4 in. w/Hole 4 in. x 4 in. x 4 in. Strip, (Case of 144 blocks)Grodan ImprovedGro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops....
- Regular price
- $161.04
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$193.25 - Sale price
- $161.04
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Grodan Gro Block Improved GR10 Large 4 in. w/Hole 4 in. x 4 in. x 4 in. Shrink wrapped/Strip, (Case of 144 blocks)Grodan ImprovedGro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty...
- Regular price
- $246.60
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$295.92 - Sale price
- $246.60
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Grodan Expert 15/100 Slab, 36 in. x 6 in. x 4 in. - Case of 12PLEASE NOTE: THIS ITEM IS NOW 12 PER CASE. Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan...
- Regular price
- $132.71
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$159.25 - Sale price
- $132.71
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Grodan Dutch Leach Tray Elbow, Bag of 25For the Dutch Leach tray.
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- $30.35
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$36.42 - Sale price
- $30.35
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Grodan Classic 30/75 Slab (wet), 12 in. x 3 in. - Case of 8Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The...
- Regular price
- $129.89
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$155.87 - Sale price
- $129.89
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Grodan A-OK 25/40 10/10 Cubes, 1 in. x 1 in. - 30 sheets of 200The renewed plugs result in a maximum number of useable and homogeneous seedlings. Both form and strength have been greatly improved for good machine and manual processing. Whether sowing or transplanting, the new plug is the solution to achieving a homogeneous sowing result. Improved...
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- $572.87
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$687.44 - Sale price
- $572.87
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Q-Plug 1.5 in. x 1.5 in. - Round - Case of 1200Made of naturally composted materials, these premium starter plugs contain natural beneficial fungi and can be inoculated with other biological controls. Each plug is composed of a blend of organic peat & bark designed to optimally aerate clones/cuttings/seedlings by naturally maintaining the proper air/water ratio to promote healthy root growth. Plugs fit Rapid...
- Regular price
- $272.15
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$377.99 - Sale price
- $272.15
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Oasis Hobby Hydro Rootcubes, 1.5 in. - Case of 20 50-Cell SheetsBulk case of 20. 1.5" Growing Medium, 50 cells Used for rooting cuttings of plants that will later be transplanted to either soil or a soilless medium. Completely pH neutral. Saturate them with water, drop your cuttings in the pre-punched holes, keep them moist...
- Regular price
- $135.55
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$162.66 - Sale price
- $135.55
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Oasis Hobby Hydro Rootcubes, 1.25 in. - Case of 20 104-Cell SheetsBulk case of 20. 1.25" Growing Medium, 104 cells Used for rooting cuttings of plants that will later be transplanted to either soil or a soilless medium. Completely pH neutral. Saturate them with water, drop your cuttings in the pre-punched holes, keep them moist...
- Regular price
- $135.55
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$162.66 - Sale price
- $135.55
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Jump Start Smart Float Grow Tray Refill Plugs, Bag of 55Once you've germinated your first batch of 55 plants with our Smart Float Grow Tray, keep the green growing with our bag of refill plugs. For success with your plants, transport a plant out of the Smart Float tray—with the plug still attached—and replant...
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- $14.83
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$17.80 - Sale price
- $14.83
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iHORT Q-Plug Round, Bag of 72QPlugs aerated, water-holding texture was designed to start clones and seedlings in propagation trays. QPlugs are engineered to be transplanted into soil, rockwool, coco, or other standard growing substrates. These propagation plugs are ideal for commercial growers, and also offer ease of use for...
- Regular price
- $28.60
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$34.32 - Sale price
- $28.60
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iHORT Q-Plug Cubes, Bag of 50QPlugs aerated, water-holding texture was designed to start clones and seedlings in propagation trays. QPlugs are engineered to be transplanted into soil, rockwool, coco, or other standard growing substrates. These propagation plugs are ideal for commercial growers, and also offer ease of use for...
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- $20.39
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$24.47 - Sale price
- $20.39
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iHORT Q-Plug Cubes, Bag of 100QPlugs aerated, water-holding texture was designed to start clones and seedlings in propagation trays. QPlugs are engineered to be transplanted into soil, rockwool, coco, or other standard growing substrates. These propagation plugs are ideal for commercial growers, and also offer ease of use for...
- Regular price
- $27.07
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$32.48 - Sale price
- $27.07
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IHORT Q-Plug 40/40, 1.25 in. x 1.25 in. - Case of 2,100With over 36 years of experience IHORT 40/40 Q-PLUGS® are the master growers’ top choice. Either from seed or from cutting, IHORT 40/40 Q-PLUGS® custom proprietary blend of Peat Moss, Coco Coir and Bio Char will create the perfect growing conditions. IHORT 40/40 Q-PLUGS® have...
- Regular price
- $291.45
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$380.99 - Sale price
- $291.45
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IHORT Q-Plug 18/40 3/4 in. top X 1.5 in. deep - Case of 6500IHORT Q Plug 18/40 .75” x 1.5”6500 square plugs per case Engineered for moisture retention and aeration for optimum rooting and growth.
- Regular price
- $341.94
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$410.33 - Sale price
- $341.94
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Grodan Round Macro Plugs w/Slit - Case of 2000These rockwool plugs feature a slit for easy insertion of rooted cuttings. They fit perfectly into the hole of any standard rockwool block or any other type of growing medium.
- Regular price
- $355.09
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$426.11 - Sale price
- $355.09
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Grodan Pro A-OK 50/40 6/15, 2 in. x2 in. - Case of 1500 LooseGrodan Pro A-OK 50/40 6/15, 2 in. x2 in. - Case of 1500 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one...
- Regular price
- $321.22
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$440.99 - Sale price
- $321.22
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Grodan Pro A-OK Starter Cubes 1.5 in. x 1.5 in. - 30 sheets of 98 LooseGrodan Pro A-OK Starter Cubes, 1.5 in. x 1.5 in. - 30 sheets of 98 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes...
- Regular price
- $303.75
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$447.66 - Sale price
- $303.75
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Grodan A-OK 36/40 6/15 Starter Cubes, 1.5 in. x 1.5 in. - 30 sheets of 98Grodan A-OK 1.5 in. x 1.5 in. - 30 sheets of 98 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch...
- Regular price
- $325.00
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$452.99 - Sale price
- $325.00
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